In the abov question if the ligth incident is monochromatic and point `O` is a maxima,then the wavelength of the light incident cannot be

Stopping potential of emitted photo electron is V when monochromatic light of wavelength 'lamda' incident on a metal surface. If wavelength of light incident becomes 'lambda/3' stopping potential of photoelectrons becomes V/4 then the threshold wavelength of metal is k'lambda' then k will be

Stopping potential of emitted photo electron is V when monochromatic light of wavelength 'lamda' incident on a metal surface. If wavelength of light incident becomes 'lambda/3' stopping potential of photoelectrons becomes V/4 then the threshold wavelength of metal is k'lambda' then k will be

The width of a slit is 0.012mm . Monochromatic light is incident on it. The angular position of first bright line is 5.2^(0) . The wavelength of the light incident is

A soap film of thickness t is surrounded by air and is illuminated at near normal incidence by monochromatic light wavelength lambda in the film. With respect to the wavelength of the monochromatic light in the film, what film thickness will produce maximum constructive interference

Assertion: The frequencies of incident, reflected and refracted beam of monochromatic light incident beam of monochromatic light incident from one medium to another are same Reason: The incident, reflected and refracted rays are coplanar

Assertion: The frequencies of incident, reflected and refracted beam of monochromatic light incident beam of monochromatic light incident from one medium to another are same Reason: The incident, reflected and refracted rays are coplanar

A parallel beam of monochromatic light of frequency v is incident on a surface. Intensity of the beam is I and area of the surface is A. Find the force exerted by the light beam on the surface for following cases– (i) the surface is perfectly absorbing and the light beam is incident normally on it. (ii) the surface is perfectly reflecting and the light beam is incident normally. (iii) the surface is perfectly absorbing and the light beam is incident at an angle of incidence theta . (iv) the surface is perfectly reflecting and the light beam is incident at an angle of incidence theta .

Monochromatic light is refracted from air into glass of refractive index mu . Find the ratio of wavelength of the incident and refracted light.